<form class="mb-20" method="get" action="{:\\think\\Url::build($Request.action)}">
    <div class="select-box" style="width:250px">
        <select name="arctic_id" class="select">
            <option value="">请选择车辆类型</option>
            {foreach $arctic as $av}
            <option value="{$av.id}">{$av.name}</option>
            {/foreach}
        </select>
    </div>
    <input type="text" class="input-text" style="width:250px" placeholder="品牌名称" name="brand_name" value="{$Request.param.brand_name}">
    <button type="submit" class="btn btn-success"><i class="Hui-iconfont">&#xe665;</i> 搜索</button>
</form>